1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright(c) 2018-19 Canonical Corporation. 3 4 /* 5 * Intel Kabylake I2S Machine Driver with RT5660 Codec 6 * 7 * Modified from: 8 * Intel Kabylake I2S Machine driver supporting MAXIM98357a and 9 * DA7219 codecs 10 * Also referred to: 11 * Intel Broadwell I2S Machine driver supporting RT5677 codec 12 */ 13 14 #include <linux/module.h> 15 #include <linux/platform_device.h> 16 #include <linux/gpio/consumer.h> 17 #include <linux/acpi.h> 18 #include <sound/core.h> 19 #include <sound/jack.h> 20 #include <sound/pcm.h> 21 #include <sound/pcm_params.h> 22 #include <sound/soc.h> 23 24 #include "../../codecs/hdac_hdmi.h" 25 #include "../../codecs/rt5660.h" 26 27 #define KBL_RT5660_CODEC_DAI "rt5660-aif1" 28 #define DUAL_CHANNEL 2 29 30 static struct snd_soc_card *kabylake_audio_card; 31 static struct snd_soc_jack skylake_hdmi[3]; 32 static struct snd_soc_jack lineout_jack; 33 static struct snd_soc_jack mic_jack; 34 35 struct kbl_hdmi_pcm { 36 struct list_head head; 37 struct snd_soc_dai *codec_dai; 38 int device; 39 }; 40 41 struct kbl_codec_private { 42 struct gpio_desc *gpio_lo_mute; 43 struct list_head hdmi_pcm_list; 44 }; 45 46 enum { 47 KBL_DPCM_AUDIO_PB = 0, 48 KBL_DPCM_AUDIO_CP, 49 KBL_DPCM_AUDIO_HDMI1_PB, 50 KBL_DPCM_AUDIO_HDMI2_PB, 51 KBL_DPCM_AUDIO_HDMI3_PB, 52 }; 53 54 #define GPIO_LINEOUT_MUTE_INDEX 0 55 #define GPIO_LINEOUT_DET_INDEX 3 56 #define GPIO_LINEIN_DET_INDEX 4 57 58 static const struct acpi_gpio_params lineout_mute_gpio = { GPIO_LINEOUT_MUTE_INDEX, 0, true }; 59 static const struct acpi_gpio_params lineout_det_gpio = { GPIO_LINEOUT_DET_INDEX, 0, false }; 60 static const struct acpi_gpio_params mic_det_gpio = { GPIO_LINEIN_DET_INDEX, 0, false }; 61 62 63 static const struct acpi_gpio_mapping acpi_rt5660_gpios[] = { 64 { "lineout-mute-gpios", &lineout_mute_gpio, 1 }, 65 { "lineout-det-gpios", &lineout_det_gpio, 1 }, 66 { "mic-det-gpios", &mic_det_gpio, 1 }, 67 { NULL }, 68 }; 69 70 static struct snd_soc_jack_pin lineout_jack_pin = { 71 .pin = "Line Out", 72 .mask = SND_JACK_LINEOUT, 73 }; 74 75 static struct snd_soc_jack_pin mic_jack_pin = { 76 .pin = "Line In", 77 .mask = SND_JACK_MICROPHONE, 78 }; 79 80 static struct snd_soc_jack_gpio lineout_jack_gpio = { 81 .name = "lineout-det", 82 .report = SND_JACK_LINEOUT, 83 .debounce_time = 200, 84 }; 85 86 static struct snd_soc_jack_gpio mic_jack_gpio = { 87 .name = "mic-det", 88 .report = SND_JACK_MICROPHONE, 89 .debounce_time = 200, 90 }; 91 92 static int kabylake_5660_event_lineout(struct snd_soc_dapm_widget *w, 93 struct snd_kcontrol *k, int event) 94 { 95 struct snd_soc_dapm_context *dapm = w->dapm; 96 struct kbl_codec_private *priv = snd_soc_card_get_drvdata(dapm->card); 97 98 gpiod_set_value_cansleep(priv->gpio_lo_mute, 99 !(SND_SOC_DAPM_EVENT_ON(event))); 100 101 return 0; 102 } 103 104 static const struct snd_kcontrol_new kabylake_rt5660_controls[] = { 105 SOC_DAPM_PIN_SWITCH("Line In"), 106 SOC_DAPM_PIN_SWITCH("Line Out"), 107 }; 108 109 static const struct snd_soc_dapm_widget kabylake_rt5660_widgets[] = { 110 SND_SOC_DAPM_MIC("Line In", NULL), 111 SND_SOC_DAPM_LINE("Line Out", kabylake_5660_event_lineout), 112 }; 113 114 static const struct snd_soc_dapm_route kabylake_rt5660_map[] = { 115 /* other jacks */ 116 {"IN1P", NULL, "Line In"}, 117 {"IN2P", NULL, "Line In"}, 118 {"Line Out", NULL, "LOUTR"}, 119 {"Line Out", NULL, "LOUTL"}, 120 121 /* CODEC BE connections */ 122 { "AIF1 Playback", NULL, "ssp0 Tx"}, 123 { "ssp0 Tx", NULL, "codec0_out"}, 124 125 { "codec0_in", NULL, "ssp0 Rx" }, 126 { "ssp0 Rx", NULL, "AIF1 Capture" }, 127 128 { "hifi1", NULL, "iDisp1 Tx"}, 129 { "iDisp1 Tx", NULL, "iDisp1_out"}, 130 { "hifi2", NULL, "iDisp2 Tx"}, 131 { "iDisp2 Tx", NULL, "iDisp2_out"}, 132 { "hifi3", NULL, "iDisp3 Tx"}, 133 { "iDisp3 Tx", NULL, "iDisp3_out"}, 134 }; 135 136 static int kabylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd, 137 struct snd_pcm_hw_params *params) 138 { 139 struct snd_interval *rate = hw_param_interval(params, 140 SNDRV_PCM_HW_PARAM_RATE); 141 struct snd_interval *channels = hw_param_interval(params, 142 SNDRV_PCM_HW_PARAM_CHANNELS); 143 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 144 145 /* The ADSP will convert the FE rate to 48k, stereo */ 146 rate->min = rate->max = 48000; 147 channels->min = channels->max = DUAL_CHANNEL; 148 149 /* set SSP0 to 24 bit */ 150 snd_mask_none(fmt); 151 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 152 153 return 0; 154 } 155 156 static int kabylake_rt5660_codec_init(struct snd_soc_pcm_runtime *rtd) 157 { 158 int ret; 159 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 160 struct snd_soc_component *component = rtd->codec_dai->component; 161 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 162 163 ret = devm_acpi_dev_add_driver_gpios(component->dev, acpi_rt5660_gpios); 164 if (ret) 165 dev_warn(component->dev, "Failed to add driver gpios\n"); 166 167 /* Request rt5660 GPIO for lineout mute control, return if fails */ 168 ctx->gpio_lo_mute = devm_gpiod_get(component->dev, "lineout-mute", 169 GPIOD_OUT_HIGH); 170 if (IS_ERR(ctx->gpio_lo_mute)) { 171 dev_err(component->dev, "Can't find GPIO_MUTE# gpio\n"); 172 return PTR_ERR(ctx->gpio_lo_mute); 173 } 174 175 /* Create and initialize headphone jack, this jack is not mandatory, don't return if fails */ 176 ret = snd_soc_card_jack_new(rtd->card, "Lineout Jack", 177 SND_JACK_LINEOUT, &lineout_jack, 178 &lineout_jack_pin, 1); 179 if (ret) 180 dev_warn(component->dev, "Can't create Lineout jack\n"); 181 else { 182 lineout_jack_gpio.gpiod_dev = component->dev; 183 ret = snd_soc_jack_add_gpios(&lineout_jack, 1, 184 &lineout_jack_gpio); 185 if (ret) 186 dev_warn(component->dev, "Can't add Lineout jack gpio\n"); 187 } 188 189 /* Create and initialize mic jack, this jack is not mandatory, don't return if fails */ 190 ret = snd_soc_card_jack_new(rtd->card, "Mic Jack", 191 SND_JACK_MICROPHONE, &mic_jack, 192 &mic_jack_pin, 1); 193 if (ret) 194 dev_warn(component->dev, "Can't create mic jack\n"); 195 else { 196 mic_jack_gpio.gpiod_dev = component->dev; 197 ret = snd_soc_jack_add_gpios(&mic_jack, 1, &mic_jack_gpio); 198 if (ret) 199 dev_warn(component->dev, "Can't add mic jack gpio\n"); 200 } 201 202 /* Here we enable some dapms in advance to reduce the pop noise for recording via line-in */ 203 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1"); 204 snd_soc_dapm_force_enable_pin(dapm, "BST1"); 205 snd_soc_dapm_force_enable_pin(dapm, "BST2"); 206 207 return 0; 208 } 209 210 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device) 211 { 212 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 213 struct snd_soc_dai *dai = rtd->codec_dai; 214 struct kbl_hdmi_pcm *pcm; 215 216 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 217 if (!pcm) 218 return -ENOMEM; 219 220 pcm->device = device; 221 pcm->codec_dai = dai; 222 223 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 224 225 return 0; 226 } 227 228 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd) 229 { 230 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB); 231 } 232 233 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd) 234 { 235 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB); 236 } 237 238 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd) 239 { 240 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB); 241 } 242 243 static int kabylake_rt5660_hw_params(struct snd_pcm_substream *substream, 244 struct snd_pcm_hw_params *params) 245 { 246 struct snd_soc_pcm_runtime *rtd = substream->private_data; 247 struct snd_soc_dai *codec_dai = rtd->codec_dai; 248 int ret; 249 250 ret = snd_soc_dai_set_sysclk(codec_dai, 251 RT5660_SCLK_S_PLL1, params_rate(params) * 512, 252 SND_SOC_CLOCK_IN); 253 if (ret < 0) { 254 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); 255 return ret; 256 } 257 258 ret = snd_soc_dai_set_pll(codec_dai, 0, 259 RT5660_PLL1_S_BCLK, 260 params_rate(params) * 50, 261 params_rate(params) * 512); 262 if (ret < 0) 263 dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret); 264 265 return ret; 266 } 267 268 static struct snd_soc_ops kabylake_rt5660_ops = { 269 .hw_params = kabylake_rt5660_hw_params, 270 }; 271 272 static const unsigned int rates[] = { 273 48000, 274 }; 275 276 static const struct snd_pcm_hw_constraint_list constraints_rates = { 277 .count = ARRAY_SIZE(rates), 278 .list = rates, 279 .mask = 0, 280 }; 281 282 static const unsigned int channels[] = { 283 DUAL_CHANNEL, 284 }; 285 286 static const struct snd_pcm_hw_constraint_list constraints_channels = { 287 .count = ARRAY_SIZE(channels), 288 .list = channels, 289 .mask = 0, 290 }; 291 292 static int kbl_fe_startup(struct snd_pcm_substream *substream) 293 { 294 struct snd_pcm_runtime *runtime = substream->runtime; 295 296 /* 297 * On this platform for PCM device we support, 298 * 48Khz 299 * stereo 300 * 16 bit audio 301 */ 302 303 runtime->hw.channels_max = DUAL_CHANNEL; 304 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 305 &constraints_channels); 306 307 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 308 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 309 310 snd_pcm_hw_constraint_list(runtime, 0, 311 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 312 313 return 0; 314 } 315 316 static const struct snd_soc_ops kabylake_rt5660_fe_ops = { 317 .startup = kbl_fe_startup, 318 }; 319 320 /* kabylake digital audio interface glue - connects rt5660 codec <--> CPU */ 321 static struct snd_soc_dai_link kabylake_rt5660_dais[] = { 322 /* Front End DAI links */ 323 [KBL_DPCM_AUDIO_PB] = { 324 .name = "Kbl Audio Port", 325 .stream_name = "Audio", 326 .cpu_dai_name = "System Pin", 327 .platform_name = "0000:00:1f.3", 328 .dynamic = 1, 329 .codec_name = "snd-soc-dummy", 330 .codec_dai_name = "snd-soc-dummy-dai", 331 .nonatomic = 1, 332 .trigger = { 333 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 334 .dpcm_playback = 1, 335 .ops = &kabylake_rt5660_fe_ops, 336 }, 337 [KBL_DPCM_AUDIO_CP] = { 338 .name = "Kbl Audio Capture Port", 339 .stream_name = "Audio Record", 340 .cpu_dai_name = "System Pin", 341 .platform_name = "0000:00:1f.3", 342 .dynamic = 1, 343 .codec_name = "snd-soc-dummy", 344 .codec_dai_name = "snd-soc-dummy-dai", 345 .nonatomic = 1, 346 .trigger = { 347 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 348 .dpcm_capture = 1, 349 .ops = &kabylake_rt5660_fe_ops, 350 }, 351 [KBL_DPCM_AUDIO_HDMI1_PB] = { 352 .name = "Kbl HDMI Port1", 353 .stream_name = "Hdmi1", 354 .cpu_dai_name = "HDMI1 Pin", 355 .codec_name = "snd-soc-dummy", 356 .codec_dai_name = "snd-soc-dummy-dai", 357 .platform_name = "0000:00:1f.3", 358 .dpcm_playback = 1, 359 .init = NULL, 360 .trigger = { 361 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 362 .nonatomic = 1, 363 .dynamic = 1, 364 }, 365 [KBL_DPCM_AUDIO_HDMI2_PB] = { 366 .name = "Kbl HDMI Port2", 367 .stream_name = "Hdmi2", 368 .cpu_dai_name = "HDMI2 Pin", 369 .codec_name = "snd-soc-dummy", 370 .codec_dai_name = "snd-soc-dummy-dai", 371 .platform_name = "0000:00:1f.3", 372 .dpcm_playback = 1, 373 .init = NULL, 374 .trigger = { 375 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 376 .nonatomic = 1, 377 .dynamic = 1, 378 }, 379 [KBL_DPCM_AUDIO_HDMI3_PB] = { 380 .name = "Kbl HDMI Port3", 381 .stream_name = "Hdmi3", 382 .cpu_dai_name = "HDMI3 Pin", 383 .codec_name = "snd-soc-dummy", 384 .codec_dai_name = "snd-soc-dummy-dai", 385 .platform_name = "0000:00:1f.3", 386 .trigger = { 387 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 388 .dpcm_playback = 1, 389 .init = NULL, 390 .nonatomic = 1, 391 .dynamic = 1, 392 }, 393 394 /* Back End DAI links */ 395 { 396 /* SSP0 - Codec */ 397 .name = "SSP0-Codec", 398 .id = 0, 399 .cpu_dai_name = "SSP0 Pin", 400 .platform_name = "0000:00:1f.3", 401 .no_pcm = 1, 402 .codec_name = "i2c-10EC3277:00", 403 .codec_dai_name = KBL_RT5660_CODEC_DAI, 404 .init = kabylake_rt5660_codec_init, 405 .dai_fmt = SND_SOC_DAIFMT_I2S | 406 SND_SOC_DAIFMT_NB_NF | 407 SND_SOC_DAIFMT_CBS_CFS, 408 .ignore_pmdown_time = 1, 409 .be_hw_params_fixup = kabylake_ssp0_fixup, 410 .ops = &kabylake_rt5660_ops, 411 .dpcm_playback = 1, 412 .dpcm_capture = 1, 413 }, 414 { 415 .name = "iDisp1", 416 .id = 1, 417 .cpu_dai_name = "iDisp1 Pin", 418 .codec_name = "ehdaudio0D2", 419 .codec_dai_name = "intel-hdmi-hifi1", 420 .platform_name = "0000:00:1f.3", 421 .dpcm_playback = 1, 422 .init = kabylake_hdmi1_init, 423 .no_pcm = 1, 424 }, 425 { 426 .name = "iDisp2", 427 .id = 2, 428 .cpu_dai_name = "iDisp2 Pin", 429 .codec_name = "ehdaudio0D2", 430 .codec_dai_name = "intel-hdmi-hifi2", 431 .platform_name = "0000:00:1f.3", 432 .init = kabylake_hdmi2_init, 433 .dpcm_playback = 1, 434 .no_pcm = 1, 435 }, 436 { 437 .name = "iDisp3", 438 .id = 3, 439 .cpu_dai_name = "iDisp3 Pin", 440 .codec_name = "ehdaudio0D2", 441 .codec_dai_name = "intel-hdmi-hifi3", 442 .platform_name = "0000:00:1f.3", 443 .init = kabylake_hdmi3_init, 444 .dpcm_playback = 1, 445 .no_pcm = 1, 446 }, 447 }; 448 449 450 #define NAME_SIZE 32 451 static int kabylake_card_late_probe(struct snd_soc_card *card) 452 { 453 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card); 454 struct kbl_hdmi_pcm *pcm; 455 struct snd_soc_component *component = NULL; 456 int err, i = 0; 457 char jack_name[NAME_SIZE]; 458 459 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 460 component = pcm->codec_dai->component; 461 snprintf(jack_name, sizeof(jack_name), 462 "HDMI/DP, pcm=%d Jack", pcm->device); 463 err = snd_soc_card_jack_new(card, jack_name, 464 SND_JACK_AVOUT, &skylake_hdmi[i], 465 NULL, 0); 466 467 if (err) 468 return err; 469 470 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 471 &skylake_hdmi[i]); 472 if (err < 0) 473 return err; 474 475 i++; 476 477 } 478 479 if (!component) 480 return -EINVAL; 481 482 return hdac_hdmi_jack_port_init(component, &card->dapm); 483 } 484 485 /* kabylake audio machine driver for rt5660 */ 486 static struct snd_soc_card kabylake_audio_card_rt5660 = { 487 .name = "kblrt5660", 488 .owner = THIS_MODULE, 489 .dai_link = kabylake_rt5660_dais, 490 .num_links = ARRAY_SIZE(kabylake_rt5660_dais), 491 .controls = kabylake_rt5660_controls, 492 .num_controls = ARRAY_SIZE(kabylake_rt5660_controls), 493 .dapm_widgets = kabylake_rt5660_widgets, 494 .num_dapm_widgets = ARRAY_SIZE(kabylake_rt5660_widgets), 495 .dapm_routes = kabylake_rt5660_map, 496 .num_dapm_routes = ARRAY_SIZE(kabylake_rt5660_map), 497 .fully_routed = true, 498 .late_probe = kabylake_card_late_probe, 499 }; 500 501 static int kabylake_audio_probe(struct platform_device *pdev) 502 { 503 struct kbl_codec_private *ctx; 504 505 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 506 if (!ctx) 507 return -ENOMEM; 508 509 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 510 511 kabylake_audio_card = 512 (struct snd_soc_card *)pdev->id_entry->driver_data; 513 514 kabylake_audio_card->dev = &pdev->dev; 515 snd_soc_card_set_drvdata(kabylake_audio_card, ctx); 516 return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card); 517 } 518 519 static const struct platform_device_id kbl_board_ids[] = { 520 { 521 .name = "kbl_rt5660", 522 .driver_data = 523 (kernel_ulong_t)&kabylake_audio_card_rt5660, 524 }, 525 { } 526 }; 527 528 static struct platform_driver kabylake_audio = { 529 .probe = kabylake_audio_probe, 530 .driver = { 531 .name = "kbl_rt5660", 532 .pm = &snd_soc_pm_ops, 533 }, 534 .id_table = kbl_board_ids, 535 }; 536 537 module_platform_driver(kabylake_audio) 538 539 /* Module information */ 540 MODULE_DESCRIPTION("Audio Machine driver-RT5660 in I2S mode"); 541 MODULE_AUTHOR("Hui Wang <hui.wang@canonical.com>"); 542 MODULE_LICENSE("GPL v2"); 543 MODULE_ALIAS("platform:kbl_rt5660"); 544